OO-4649: don't archive test if the test entry is already deleted

Don't archive test in a course element if the test entry is already
deleted, same for survey and self test

src/main/java/org/olat/course/nodes/IQSELFCourseNode.java

@@ -260,7 +260,11 @@ public class IQSELFCourseNode extends AbstractAccessableCourseNode implements Se
 	public boolean archiveNodeData(Locale locale, ICourse course, ArchiveOptions options,
 			ZipOutputStream exportStream, String archivePath, String charset) {
 		String repositorySoftKey = (String) getModuleConfiguration().get(IQEditController.CONFIG_KEY_REPOSITORY_SOFTKEY);
-		RepositoryEntry re = RepositoryManager.getInstance().lookupRepositoryEntryBySoftkey(repositorySoftKey, true);
+		RepositoryEntry re = RepositoryManager.getInstance().lookupRepositoryEntryBySoftkey(repositorySoftKey, false);
+		if(re == null) {
+			log.error("Cannot archive course node. Missing repository entry with soft key: ", repositorySoftKey);
+			return false;
+		}
 		
 		try {
 			if(ImsQTI21Resource.TYPE_NAME.equals(re.getOlatResource().getResourceableTypeName())) {

src/main/java/org/olat/course/nodes/IQSURVCourseNode.java

@@ -305,7 +305,11 @@ public class IQSURVCourseNode extends AbstractAccessableCourseNode implements QT
 			ZipOutputStream exportStream, String archivePath, String charset) {
 		QTIExportManager qem = QTIExportManager.getInstance();
 		String repositorySoftKey = (String) getModuleConfiguration().get(IQEditController.CONFIG_KEY_REPOSITORY_SOFTKEY);
-		RepositoryEntry re = RepositoryManager.getInstance().lookupRepositoryEntryBySoftkey(repositorySoftKey, true);
+		RepositoryEntry re = RepositoryManager.getInstance().lookupRepositoryEntryBySoftkey(repositorySoftKey, false);
+		if(re == null) {
+			log.error("Cannot archive course node. Missing repository entry with soft key: ", repositorySoftKey);
+			return false;
+		}
 
 		QTIExportFormatter qef = new QTIExportFormatterCSVType3(locale, null,"\t", "\"", "\r\n", false);
 		try {

src/main/java/org/olat/course/nodes/IQTESTCourseNode.java

@@ -713,7 +713,12 @@ public class IQTESTCourseNode extends AbstractAccessableCourseNode implements Pe
 		// 1) prepare result export
 		CourseEnvironment courseEnv = course.getCourseEnvironment();
 		try {
-			RepositoryEntry re = RepositoryManager.getInstance().lookupRepositoryEntryBySoftkey(repositorySoftKey, true);
+			RepositoryEntry re = RepositoryManager.getInstance().lookupRepositoryEntryBySoftkey(repositorySoftKey, false);
+			if(re == null) {
+				log.error("Cannot archive course node. Missing repository entry with soft key: ", repositorySoftKey);
+				return false;
+			}
+			
 			boolean onyx = QTIResourceTypeModule.isOnyxTest(re.getOlatResource());
 			if (onyx) {
 				return true;